How AI Squeezes Its Brain to Fit on Your Phone

🤔 What Is It? quantization in AI Quantization is how AI models shrink their size by rounding their internal numbers to simpler values, so they run faster and fit on smaller devices with almost no loss in quality. 🧩 Like swapping a 16-million-crayon box for a 256-crayon box Imagine an AI artist who learned to draw using a box with 16 million different crayons — one for every possible shade of every color. Each drawing is incredibly detailed and precise, but carrying that enormous box everywhere is exhausting and it takes ages just to pick the right crayon. Quantization is like giving that same artist a box of just 256 crayons and saying, ‘For each color you need, just pick the closest one you have.’ The artist can still draw almost everything recognizably — the sky still looks blue, grass still looks green — and now the box is tiny enough to fit in a backpack. Almost no one looking at the finished drawing can spot the difference, and the artist draws much, much faster. ...

August 21, 2026 · 5 min · 916 words · jeonck

11 Ways Scientists Grade an AI Chatbot — And Why One Test Is Never Enough

🤔 What Is It? 11 LLM Evaluation Methods Just like teachers use tests, essays, pop quizzes, and group projects to figure out how much a student really knows, scientists use 11 different grading methods to measure how good an AI chatbot truly is — because a single score would miss way too much. 🧩 Like a school report card with 11 different grades Imagine your school gave you 11 different grades instead of just one final mark. Some grades come from fill-in-the-blank tests a computer scores in seconds. Some come from your teacher carefully reading your essay. Some come from a big nationwide standardized test so every school can compare students fairly. Some come from a classmate peer-grading your project. And some come from a sneaky surprise quiz designed to catch you if you make things up when you don’t actually know the answer. AI scientists do exactly the same thing with chatbots — they run the AI through all 11 kinds of ‘report card’ checks, because a chatbot that aces one test might completely fail another. ...

July 25, 2026 · 6 min · 1184 words · jeonck

How AI Learned to Highlight What Matters (Instead of Reading One Word at a Time)

🤔 What Is It? attention is all you need “Attention Is All You Need” is a famous research paper that taught AI to understand language by letting every word in a sentence instantly check how important every other word is to its own meaning — all at the same time, instead of reading left to right like a slow reader. 🧩 Like highlighting a paragraph with your whole study group at once Imagine your study group is trying to understand a confusing paragraph in a history book. Instead of reading it word by word from left to right, everyone grabs a highlighter and — all at the same time — each word scores every other word: “How much do you help explain me?” The word “castle” lights up “medieval,” “king,” and “siege” with bright yellow, but barely touches “the” or “a.” The word “king” does the same thing, lighting up its own most helpful neighbors. Every word does this simultaneously, creating a glowing web that shows exactly which words explain which other words — and that web of highlights is what the paper calls attention. ...

July 22, 2026 · 6 min · 1108 words · jeonck